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Sample 920
NavDat sample number 66280 · RHYOLITE
Sample
| Sample ID | 920 |
|---|
| Alternate ID | AWB-100 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Pumice |
|---|
Location
| Latitude | 43.7267 |
|---|
| Longitude | -117.256 |
|---|
| State / province | Oregon |
|---|
| Elevation | 890 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.8 |
|
11.2 |
16.4 |
middle Miocene |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.95 | | WT% | XRF |
| AL2O3 | 14.92 | | WT% | XRF |
| TIO2 | 0.28 | | WT% | XRF |
| FEOT | 1.99 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| CAO | 2.63 | | WT% | XRF |
| MGO | 0.81 | | WT% | XRF |
| K2O | 3.97 | | WT% | XRF |
| NA2O | 3.27 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| LOI | 3.7 | | WT% | XRF |
| TOTAL | 100.1 | | WT% | XRF |
| CR | 21 | | PPM | ICP |
| BA | 1440 | | PPM | ICP |
| RB | 94 | | PPM | ICP |
| SR | 386 | | PPM | ICP |
| ZR | 137 | | PPM | ICP |
| Y | 16 | | PPM | ICP |
| NB | 22 | | PPM | ICP |
